spf-discuss
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Re: The New SPF: introducing RFROM

2004-05-24 13:49:28
On Mon, May 24, 2004 at 09:03:49PM +0100, Roy Badami wrote:
| 
| Some MUAs allow message to be resent (not forwarded).  This is not
| common functionality, but it does exist, and it is used.  When a
| message is resent, the sender leaves the From (and any Sender) headers
| intact, and adds a Resent-From (and possibly a Resent-Sender).  In the
| case of a message that's been resent, therefore, it's the Resent-From
| and/or Resent-Sender that specifies who sent the message.
| 

Do we have a good understanding of which M*As will prepend and which
will append the Resent-* headers?  Mutt, I think, will append.
Appending is more trouble than prepending, because it screws up the
linear-chronology assumption.